adventitious
English
Etymology
From Latin adventicius (“foreign”), from adveniō (“arrive”).
Pronunciation
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Adjective
adventitious (comparative more adventitious, superlative most adventitious)
- From an external source; not innate or inherent, foreign.
- Accidental, additional, appearing casually.
- 2002, Colin Jones, The Great Nation, Penguin 2003, p. 30:
- The adventitious disappearance of those nearer the the throne than the duke had, moreover, set tongues awagging.
- 2002, Colin Jones, The Great Nation, Penguin 2003, p. 30:
- (genetics, medicine) Not congenital; acquired.
- (biology) Developing in an unusual place or from an unusual source.
- 1985, R. M. T. Dahlgren, H. T. Clifford, & P. F. Yeo, The Families of the Monocotyledons, page 101
- The Velloziaceae have evolved a woody stem which is covered with a layer of adventitious roots mingled with the fibres of the old leaf sheaths;
- 1985, R. M. T. Dahlgren, H. T. Clifford, & P. F. Yeo, The Families of the Monocotyledons, page 101
Synonyms
- (from an external source): extrinsic
- (accidental, additional): accidental, spontaneous, sporadic
- (not congenital): acquired
Derived terms
Related terms
- advent
- adventitial
- adventive
- adventively
Translations
from an external source
accidental, additional, appearing casually
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genetics, medicine: not congenital
biology: developing in an unusual place or from an unusual source
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